 It's hoped that improved superfast charging will relieve so-called range anxiety and bring the timing more in line with the time it takes to fill up a petrol or diesel tank with fuel. However, the superfast chargers the lithium-ion battery requires are not yet widely available. BBC correspondent Zoe Kinman. Families of the 346 people who have died in two crashes of Boeing 737 MAX jetliners are waiting to hear if the Justice Department will prosecute the U.S. Aerospace Company.